It seems like a good solution to someone abusing this system would be to call them out on it. It stops because of social pressure (hopefully) and you don't hav

It seems like a good solution to someone abusing this system would be to call them out on it. It stops because of social pressure (hopefully) and you don't have to take away everybody's fun. Something like an email that reads "We noticed Jim Jenkins hauling out a case of pop last week. This is not acceptable. Don't abuse the system so we can continue to have nice things. Thanks."